Shaft-stop mechanism.



Nn. 648,708. Patented May l. i900r F. MOLDENHAR. SHAFT STP MECHANISM.

(Application led Jan. 29, 1900.) f

(rau Model.) l 2 shee'ts-sheet J'V f Unirse sra/arrestos OF OCONOMOVVGC, WISCONSIN itil E@ dit.

"SLCEFVIGA'E-lll fori/.ning part ot Letters Patent No. SdSRO, dated May l, i900. pplicatlon letl anuery 29,1900. Serial No. 3,078. (No model To @ZZ whom t may concern.'

Be it knownthat l, herinneren W.- Monnaie- HAUEB, a citizen of the United States, and a resident of Oconomowoc, in the county of Waukesha and State of Wisconsin, have invented certain new and useful Improvements in Shaft- Stop Mechanism; and l do hereby declare that the following-is a full, clear, and exact description thereof.

lliy. invention has for its object to provide simple economical mechanism for predeter mining the number of revolutions of a shaft, and is especially designed for utilization in connection 'with a pump-shaft to prevent dairymen from overdrawing their allowance of skim-milk or Whey from the Waste-tank of a Creamery or cheese-factory, said invention consisting in certain peculiarities of construction and combination of parts hereinafter particularly set forth With reference to the accompanying drawings and vsubsequently claimed.-

Figure l of the drawings represents a side elevation of a portion of the curb of an elevator-pump and mechanism whereby a shaft of the pump is limitedto a variable predetermined number of revolutions in a direction necessary to elevate and empty buckets, certain oi' the parts being broken and others in section; Fig. 2, a, detail elevation, partly in section, this view being indicated by line 2 2 in Fig. 5; Fig. 3, a'detail plan view, partly in horizontal section, on the plane indicated by ine 3 3 in Fig. 4;. Fig. It, a partly-broken sectional elevation of the mechanism for regulating the revolutions oi' the pump-shaft in a direction necessary to elevate and empty buckets; Fig.. 5, a sectional view indicated by line 5 5 in Fig. l; Fig. 6, a detail plan view, partly in horizontal section, onv the plane indicated byline 6 6 in Fig. 5'; and Fig. 7, a detail neatly-sectional elevation indicated by line 7 7 in Fig. 6. f

Referring by letter to the drawings, A.. indicates the curb of an ordinary elevator-pump', and in practice this curb is set on a platform covering a skim-milk or Whey tank at a cream eryorcheese-factory. Theupperchain-Wheel shaft B of the pump is elongated and extends through a casing bolted or. otherwise rigidly secured to a side of the curb A, and a horizoutal bracket C, made `iast to said curb, `1s

provided with an outer bearing fo said shaft. A spur-Wheel D, fast on the outer end or" the a stud b, projecting from bracket C, and by a crank E', extending from the pinion-hub, the pump is operated. he slia'it B is provided with a ratchet-Wheel F, and a gravity-detent G, in pivotal connection with ears of the bracket C, is arranged to be engaged With the ratchet-Wheel when it is desirable to hold said shaft against movement reverse to that necessary ier the elevation and discharge oi the skim-milk or whey. The detent bein g thrown out of engagement with the ratchet-Wheel7 a reverse movement may be imparted to shaft B, so that lled pump-buckets stopped in their ascent may bel run baci; to empty their contents in the tank when the treatin Thev aforesaid casing o'l angular contour above and below a preferably circular enlargement thereof abcut midway of long' l, and, as herein shown, said casing, a nu. I'ter oi preference, consists ci separable sections 'il l, the outer sections being provided with an upper raised channel-rib clongitudinal thereof.

Loosein the casing is a slide having a longitudinal slot througli'ivhicli ne pumpshait B passes, and this slide is attached to one end of a flexible runner il ed on pulleys d, the other end oi' the i ner being connected to a pointer-block L in sliding en gagemcnt with a longitudinal slot in staleplate M, arranged inside ot' a crea-mary or cheese-factory, and a pull lil is shown in con nection with the pointer-bloeit. i scale corn responding to the one on plate may be marked on the slide J and an opening pio vided in the aforesaid casing through which to observe the slide-scale.

The skim-milk or Whey tank being outside the creamery or cheese-factory more or less diate portion of the flexible runner may be trained in a protector-pipe connecting said factory, as herein shown. Y

The slide J is shown as having its longitudi- .nal edges toothed at regular intervals, and in practice," as shown in Fig. Ll, the teeth of one 'edge are alined with intervals between teeth of the opposite edge. 4ln pivotal connection with outer ears ot the slide is a latch. l),

pump-shaft, meshes with a pinion E, loose on u distant from. scale plate 1M, the interino-- casing and a wall oi' said crearnery or clieese- IOO llO

e set-erm 4that'mores in the channel-rib c' et the adjau cent casing when said slide is pulled up et' normal position, and a notched lug f on the inside of the enlargement ot the outer casingsection is engaged by the latch when said slide is full down. ln this position the latch operates as a stop in the Way of the projection g of a'canrwhcel, Q, fast on shaft B, to prevent the latter from being turned in the direction necessary to elevate and empty pump buckets; but it is obvious that said latch will not interfere with a reverse movement ot said shaft. A

ln pivotal connection with the rear portion of the casing aforesaid, inside its enlargement, l show gravity-pallets lt lt', that operate in conjunction with the teeth of slide il, and a wiper S operates to trip the pallets ont et engagement *with said slide.

.ln practice assume, for example, that the capacity and disposition of the pump-buckets are such that each turn of cranlr- B in the proper direction will elevate and-discharge one gallon of milk or whey and that a dairyman is entitled to twenty-enogallons oi the fluid, the pull Nwill be operated to bring the pointer li te the twenty- Iirst mark in descending order on thescaleplate M and at the same time lift the slide Ll a distance equal te twenty-one of its teeth, the pallets R Pt being arranged so as not to interfere with this operation. lf the slide be scaled and marked to correspond with the scale in the orcafnery or cheese-factory and an opening provided in the casing throughnhich to observe tho scale and marking on said slide, the (lair man at the pump has opportunity to determine the proper elevation of the aforesaid slide before operating the pump to obtain the quantity of mill: or Whey to which he is en'- titled. New as the pumpeshait 'l is turned in the proper direction the pallets R R are 'alternately disengaged from the slide ll by the wiper Si, and said slide descends tooth by tooth until the latch P nnters the notch ofl stationary lugfto oppose projection g of camwheel @,and thereby prevent further turning of said shaft in the direction necessary to elevation and delivery of the milk or Whey, the twenty-one full turns having resulted in the discharge of as many gallons of the liuid. lf preferred, the machine may be organized to measure the milk orwhey by pounds instead of gallons.,

lVhilo an elevatorpump has been shown and described, the mechanism for controlling delivery of shim-milk or Whey in Variable quantities may be utilized in connection with a lilft-suction or other form of pump, and in matters of mechanical detail said mechanism may be varied from what ish crei n shown without departure from my inventiion. it is also to be understood that 'the mechanism herein described may be utilized in connection with various machines for predetermining th e nnm loer oi' revolutions of shafts constitu tingr parts cf same.

.toothed slide and guide for same, pallets er1-- gageable with the slide, a pallet-tripper in conjunction with the shaft, and means in cennection with said slide and shaft for locking the latter when the Aformer is innermal posti" tion.

2. The combination of a rotatory shaft,`a toothed slide and guide for same, pallets engageable with the slide, a pallet-tripper in .conjunction with the shaft, means in connection with said slide and shaft for lockingl the latter n'hen the -former is in normal position, and other means coperative with said shaft to indicate 1variable arbitrary quantities cori responding to predetermined revolutions of the aforesaid pump.

3. The combination of aarotatory shalt, a toothed and sealed slide, a slide-casing provided With an opening through which to oliserve the slide-scalo, pallets in the casing en gageable with the slide, a pallet-tripper in conjunction 1with the shaft, and means in eonnection with said slide and shaft l'or locking' the latter When the iormer is in normal position.

el. The combination et' a rotatory shaft, a toothed and scaled slide, a siidacasing provided with an opening through which to observe the slidescale, pallets in the easing en- `gageable with the slide, a pallettripper 4in conjunction with the shaft, means in connection With said slide and shaft `l'or locking the. latter when the lormer is in normal positiom; and other means for detern'iining adjustment of said slide.

5. The combination of a rotatory sl1al't,a toothed slide, a casing ifor the slide, pallelraK in the casing engageable with the slide, a pst-f let-tripper on the shaft, a latch carried bythe slide, a latch-seat in said casing', and a latch-- abutting device in connection with the shaft.

6. rlhe combination of a lrotatory shalt, f.. toothed slide, a casing for the slide, pallets in the casi ng engagreable with the slide, a latch carried by the slide, a latch-seat in said casing, a latch-abutting device in connection with the shaft, and means lor determining adjustment of said slide.

7. rlhe combination of a rotatory shaft, a toothed slide, a casing .tor the slide, a distant scale-plate, a moi/able scale-plate pointer, a pulley-supported flexible runner connecting the slide and pointer, pallets inthe casing cn gageable with the slide, a pallet-tripper on the shaft, a latch carried by the slide, a latch seat in said casing, and a latclralmttini;` dovice in connection with the shafts S. 'lhe combination oi' an elovatoiepump curb provided with a casing, the pump-shalt erternling` through the casing, a toothed slide in the casing, means `tor determining adjust-- mont ol.' the slide, pallets in the casing cngageable with the slide, a pallct-trippor on the IOC nog

shaft, a latcbseztt in Saidcasug, a, cam-Whee I ceuomowe, 11 the elrty f" on the shaft arranged to have its prjectics State of vifconsin2 in ifi abut the latch when the latter is seated, a witnefsses. ratchet-Wheel on said shaft, and a shaft-snp- ,1 porting bracket provided with L pivom 36-, n tent for th@ ratchet-Wheel. Vftuessgs:

In testimony that claim the foregoing ANTHONY B. RGGAN, have hereunto set my hand, at the'cityo i GUSTAV vzcrssNEl-a. 

